Home / 19,612.20-27,065.15-10,659.72

Finding the Fourth Proportional to 19,612.20, 27,065.15 and 10,659.72

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Solution

The fourth proportional to 19,612.20, 27,065.15 and 10,659.72 is: 14,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.20 : 27,065.15 = 10,659.72 : x
  2. Step 2: Convert to fraction form
    19,612.20/27,065.15 = 10,659.72/x
  3. Step 3: Cross multiply
    19,612.20x = 27,065.15 × 10,659.72
  4. Step 4: Simplify right side
    19,612.20x = 288,506,920.76
  5. Step 5: Solve for x
    x = 288,506,920.76/19,612.20
  6. Step 6: Final answer
    x = 14,710.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.